docs/_docs/installation/installing-using-docker.adoc

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= Installing Using Docker

== Prerequisites

Ignite was tested on:

include::includes/prereqs.adoc[]

== Building Docker Image

Ignite 3 is not currently available on DockerHub. To use a Docker image, you need to build it locally:

- Check out the Ignite 3 link:https://github.com/apache/ignite-3[repository].
- Run the Gradle command to build a Docker image:
----
./gradlew docker
----

The build will result in a docker image you can use locally.

== Running In-Memory Cluster

Run Ignite in a docker container using the `docker run` command.

[source,shell]
----
# Run the latest version
sudo docker run -it --rm -p 10300:10300 apacheignite/ignite3
----

This command will launch a single Ignite node.

To run multiple nodes, instead use a docker-compose file with cluster config file:

[source,json]
----
{
  network: {
    port: 3344,
    nodeFinder: {
      netClusterNodes: [
        "node1:3344",
        "node2:3344",
        "node3:3344"
      ]
    }
  }
}
----

----
version: "3.9"

name: ignite3

x-ignite-def:
  &ignite-def
  image: apacheignite/ignite3:${IGNITE3_VERSION:-latest}
  volumes:
    - ./cluster.conf:/opt/ignite/etc/ignite-config.conf

services:
  node1:
    << : *ignite-def
    command: --node-name node1
    ports:
      - 10300:10300
      - 3344:3344
  node2:
    << : *ignite-def
    command: --node-name node2
    ports:
      - 10301:10300
      - 3345:3344
  node3:
    << : *ignite-def
    command: --node-name node3
    ports:
      - 10302:10300
      - 3346:3344
----